Home / 155,147,870.20-232,721,805.30-68,794,612.60

Finding the Fourth Proportional to 155,147,870.20, 232,721,805.30 and 68,794,612.60

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Solution

The fourth proportional to 155,147,870.20, 232,721,805.30 and 68,794,612.60 is: 103,191,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,147,870.20 : 232,721,805.30 = 68,794,612.60 : x
  2. Step 2: Convert to fraction form
    155,147,870.20/232,721,805.30 = 68,794,612.60/x
  3. Step 3: Cross multiply
    155,147,870.20x = 232,721,805.30 × 68,794,612.60
  4. Step 4: Simplify right side
    155,147,870.20x = 16,010,006,439,186,126
  5. Step 5: Solve for x
    x = 16,010,006,439,186,126/155,147,870.20
  6. Step 6: Final answer
    x = 103,191,918.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.